# BridgeBio funding: rounds and investors > BridgeBio has raised $1.4B across 3 rounds since 2017. Investors include Sequoia Capital, Cormorant Capital and AIG. Every round with its source. Source: https://millionrounds.com/company/bridgebio (Millionrounds; every figure on the page links to its filing or article) United States · [Funded startup](https://millionrounds.com/companies) # Who invested in *BridgeBio* 3 rounds we have observed, with the 14 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it. Biotech Healthcare Raised 4 months ago Funding summary Updated 26 Oct 2026 **$1.4B** raised across 3 rounds since 2017, from 5 sources **$135M** Round **$299M** Round **$1.0B** Round - **Latest round:** Round, $1.0B Jul 2026 - **Led by:** Sixth Street - **Step-up i:** 3.3× - **Investors:** 14 (1 led) See who backed them ## The funding story Each circle is a round, placed by date and sized by amount. The line above is the running total. 2019 2021 2023 2025 **$135M** Round **$299M** Round **$1.0B** Round - **First round:** Round, $135M - **Biggest round:** $1.0B - **Usual gap between rounds:** 7.4 years ## The rounds - **Jul 2026** Round **$1.0B** *4 new* *1 returning* [Sixth Street](https://millionrounds.com/fund/sixth-street) Lead [Sequoia Capital](https://millionrounds.com/fund/sequoia-capital) [Perceptive Advisors](https://millionrounds.com/fund/perceptive-advisors) [Blue Owl](https://millionrounds.com/fund/blue-owl) [HealthCare Royalty](https://millionrounds.com/fund/healthcare-royalty) Reported by Firms' own news pages and 2 others - **Jan 2019** Round **$299M** *4 new* *3 returning* [Sequoia Capital](https://millionrounds.com/fund/sequoia-capital) [KKR](https://millionrounds.com/fund/kkr) [Cormorant Capital](https://millionrounds.com/fund/cormorant-capital) [AIG](https://millionrounds.com/fund/aig) [Hercules](https://millionrounds.com/fund/hercules) Aisling Viking Global Investors/ Perceptive Advisors Reported by FinSMEs - **Sept 2017** Round **$135M** *6 new* [Viking Global](https://millionrounds.com/fund/viking-global-investors) [Cormorant Capital](https://millionrounds.com/fund/cormorant-capital) [AIG](https://millionrounds.com/fund/aig) Aisling Janus KKR/ Perceptive Advisors Reported by FinSMEs ## Who was in which round The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led. **Round** 2017 **Round** 2019 **Round** 2026 [Sequoia Capital](https://millionrounds.com/fund/sequoia-capital) [Cormorant Capital](https://millionrounds.com/fund/cormorant-capital) [AIG](https://millionrounds.com/fund/aig) Aisling [Sixth Street](https://millionrounds.com/fund/sixth-street) L [Perceptive Advisors](https://millionrounds.com/fund/perceptive-advisors) [Viking Global](https://millionrounds.com/fund/viking-global-investors) [Blue Owl](https://millionrounds.com/fund/blue-owl) [KKR](https://millionrounds.com/fund/kkr) [Hercules](https://millionrounds.com/fund/hercules) ## Everyone who backed them [Sequoia Capital](https://millionrounds.com/fund/sequoia-capital) VC firm **2** rounds [Cormorant Capital](https://millionrounds.com/fund/cormorant-capital) VC firm **2** rounds [AIG](https://millionrounds.com/fund/aig) Corporate VC **2** rounds Aisling no record of our own yet **2** rounds [Sixth Street](https://millionrounds.com/fund/sixth-street) Private equity **1** round, led 1 [Perceptive Advisors](https://millionrounds.com/fund/perceptive-advisors) Asset manager **1** round [Viking Global](https://millionrounds.com/fund/viking-global-investors) VC firm **1** round [Blue Owl](https://millionrounds.com/fund/blue-owl) Asset manager **1** round [KKR](https://millionrounds.com/fund/kkr) VC firm **1** round [Hercules](https://millionrounds.com/fund/hercules) Private equity **1** round [HealthCare Royalty](https://millionrounds.com/fund/healthcare-royalty) Investment firm **1** round Janus no record of our own yet **1** round KKR/ Perceptive Advisors no record of our own yet **1** round Viking Global Investors/ Perceptive Advisors no record of our own yet **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=bridgebio). ## Also claim to have backed them These 5 firms list BridgeBio as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above. [Aisling Capital](https://millionrounds.com/fund/aisling-capital) Private equity Per its own site [Frazier Life Sciences](https://millionrounds.com/fund/frazier-life-sciences) VC firm Per its own site [Amzak Health](https://millionrounds.com/fund/amzak-health) Growth equity Per its own site [Athyrium Capital Management](https://millionrounds.com/fund/athyrium-capital-management-lp) Private equity Per its own site [BB Biotech](https://millionrounds.com/fund/bb-biotech) Growth equity Per its own site ## Quick answers about BridgeBio ### Who invested in BridgeBio? BridgeBio's investors include Sequoia Capital, Cormorant Capital, AIG, Aisling and Sixth Street, and 9 more on record. Sixth Street led its latest round. ### How much has BridgeBio raised? BridgeBio has raised $1.4B across 3 rounds since 2017. ### When did BridgeBio last raise? BridgeBio's most recent round was an Undisclosed round of $1.0B in Jul 2026, led by Sixth Street. ### What was BridgeBio's biggest round? Its most recent round, $1.0B in Jul 2026, is also its largest on record. ### Who backed BridgeBio first? BridgeBio's first round on record, in Sept 2017, was backed by Viking Global, Cormorant Capital and AIG and 3 others. ### What stage is BridgeBio at? BridgeBio's latest named round is an Undisclosed round, in Jul 2026. ### Where is BridgeBio based? BridgeBio is based in the United States. ### Who led BridgeBio's rounds? Sixth Street led the Undisclosed round in 2026. ## Companies like BridgeBio In the same sector, and raised in the last eighteen months. [**Star Therapeutics** $325M · Oct 2026](https://millionrounds.com/company/star-therapeutics)[**Promaxo** $106M · Oct 2026](https://millionrounds.com/company/promaxo)[**Prolific Machines** $105M · Oct 2026](https://millionrounds.com/company/prolific-machines)[**AI** $18M · Oct 2026](https://millionrounds.com/company/ai)[**Baba** $40M · Oct 2026](https://millionrounds.com/company/baba)[**IMIO** $19M · Oct 2026](https://millionrounds.com/company/imio) ## Find investors like these Search every investor by what they have actually funded, then narrow to your stage and market. Free. Open the investor searchOr these rounds in the app